Question: What is the relationship between Vaclav Havel and Dagmar Havlova?
Paraphrase: What was the relationship between Vaclav Havel and Dagmar Havlova?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q36233 p:P1038 ?s . ?s ps:P1038 wd:Q5107449 . ?s pq:P1039 ?value}